computer....technology

word processor (more formally known as document preparation system) is a computer application used for the production (including composition, editing, formatting, and possibly printing) of any sort of printable material.

Word processor may also refer to a type of stand-alone office machine, popular in the 1970s and 1980s, combining the keyboard text-entry and printing function of and electric typewriter with a dedicated processor (like a computer processor) for the editing text. Although features and design varied between manufacturers and models, with new features added as technology advanced, word processor for several years usually featured a monochrome display and the ability to save documents on memory cards or diskettes. Later models introduced innovation such as spell-checking programs, increased formatting options, and dot-matrix printing. As the more versatile combination of a personal computer and separate printer become commonplace, most business-machine. As of 2009 there were only two U.S. companies, Classic and AlphaSmart, which still made stand-alone word processors. Many older machines, however, remain in use. XXX YYY Word processors are descended from early text formatting tools (sometimes called text justification tools, from their only real capability). Word processing was one of the earliest application for the personal computer .